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A285135 Positions of 1 in A285133; complement of A285134. 3
4, 5, 10, 11, 16, 17, 19, 21, 23, 28, 29, 31, 33, 38, 42, 43, 48, 49, 54, 55, 60, 61, 63, 65, 67, 72, 73, 75, 77, 82, 86, 87, 92, 93, 98, 99, 104, 105, 107, 109, 111, 116, 117, 119, 121, 126, 130, 131, 133, 135, 137, 142, 146, 147, 149, 151, 153, 158, 162 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Conjecture: -1 < n*r - a(n) < 1 for n>=1, where r = 1 + sqrt(3).

LINKS

Clark Kimberling, Table of n, a(n) for n = 1..10000

EXAMPLE

As a word, A285133 = 000110..., in which 1 is in positions 4,5,10,11,16,...

MATHEMATICA

s = Nest[Flatten[# /. {0 -> {1, 0}, 1 -> {0, 0, 0, 1}}] &, {0}, 12]; (* A285133 *)

Flatten[Position[s, 0]];  (* A285134 *)

Flatten[Position[s, 1]];  (* A285135 *)

CROSSREFS

Cf. A285133, A285134, A285136.

Sequence in context: A102858 A102857 A102856 * A037353 A269003 A246390

Adjacent sequences:  A285132 A285133 A285134 * A285136 A285137 A285138

KEYWORD

nonn,easy

AUTHOR

Clark Kimberling, Apr 20 2017

STATUS

approved

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Last modified May 22 20:08 EDT 2022. Contains 353957 sequences. (Running on oeis4.)